Storage unit



FIG. 1 is a top, front, and right side perspective view of a storage unit showing my new design, the left side being a mirror image of that shown and the bottom being plain and unornamented;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a top, front, and right side perspective view of an alternate embodiment thereof, the left side being a mirror image of that shown and the bottom being plain and unornamented. 

The ornamental design for a storage unit, as shown and described. 